Miss
Essay by 24 • June 13, 2011 • 384 Words (2 Pages) • 838 Views
AIM: to determine which liquid will preserve the apple best.
HYPOTHESIS: the apple will be preserved the best by the vinegar.
EQUIPMENT:
o 4 pink lady apples
o 4 sealed containers
o 500mL of white vinegar (Cornwells)
o 500mL of mentholated spirits
o 5oomL of tap water
o Knife
o Measuring jug
METHOD:
1. Peal 4 pink lady apples with a knife
2. Place each apple in a sealed container
3. Measure 500mL of vinegar in a measuring jug and poor it in to one sealed container
4. Repeat this with the mentholated spirits and water
5. Record results
TIMELINE:
Wednesday February 13th start experiment
Thursday February 14th Ð'- Wednesday Feb 20th record results and write in logbook
Feb 16th Saturday Ð'- complete risk assessment
Wednesday 20th February start experiment again (2nd time)
Thursday 21st February -Wednesday 27th February Ð'- record results in logbook
Sat 23rd Ð'- Sunday 24th February- complete introduction
Wednesday 27th February start experiment again
Thursday 28th February Ð'- Wednesday 5th march Ð'- record results and write in logbook
8th Ð'- 9th march Ð'- write the discussion and conclusion
EXPERIMENT DESIGN:
Control: container with no liquid and an apple.
This control has exactly the same conditions of the 3 containers with different liquids but allow the apple to preserve its self with nothing to protect it.
Dependent variable: darkness over
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